FRENES

Memory and knowledge · MCP server

Enzyme: MCP server, setup and security

Enzyme is an open-source MCP server that lets an AI agent search semantically and discover patterns in Obsidian and Markdown vaults. Its repository has 96 stars and its last commit is from October 24, 2026 and it is licensed under Apache-2.0.

Actively maintained

What Enzyme does

According to its repository: “Semantic search and pattern discovery for Obsidian and markdown vaults.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. Enzyme is listed under Memory and knowledge, a category of 250 servers in the directory, where it ranks #75 by stars.

Topics declared by the repository: claude-code, knowledge-management, local-first, obsidian, pkm, semantic-search.

Installing and connecting Enzyme

Distribution modes declared in the official MCP registry:

  • MCPB bundle (one-click install in Claude Desktop)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: Rust.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Enzyme. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on January 22, 2025, the byenzyme/enzyme repository has 96 stars and 4 forks, with 0 open issues. It has more stars than 66% of the servers in the directory. It received changes this month. Version published in the registry: 0.13.1 (October 24, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

Context7Context7 : 63.6K63.6KHindsightHindsight : 53.4K53.4KCogneeCognee : 32.7K32.7KSkill SeekersSkill Seekers : 15.2K15.2KHonchoHoncho : 7.8K7.8KBasic memoryBasic memory : 4.3K4.3KNoteDiscoveryNoteDiscovery : 2.8K2.8KMemantoMemanto : 2.3K2.3KEnzymeEnzyme : 9696
GitHub stars of the most followed servers in the category (log scale); Enzyme in orange. Checked October 25, 2026.

Verdict

Enzyme is a reasonable choice; check the points below before connecting it.

Strengths

  • Active project: recent commit
  • Listed in the official MCP registry
  • Permissive licence (Apache-2.0)

Frequently asked questions

How do I install Enzyme?

Enzyme is distributed as MCPB bundle (one-click install in Claude Desktop). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of byenzyme/enzyme.

Is Enzyme free?

The code is published under the Apache-2.0 licence and can be used free of charge.

Is Enzyme safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by byenzyme on GitHub. Check who maintains it before giving it access.

What are the alternatives to Enzyme?

In the same category: Context7, Basic memory, Hindsight, and Cognee. Context7 and Basic memory score higher on our grid.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score